1 Division of Gastroenterology, Azienda Ospedaliero-Universitaria di Modena and University of Modena and Reggio Emilia, Modena, Italy.
2 Division of Gastroenterology, Azienda Ospedaliero-Universitaria di Modena and University of Modena and Reggio Emilia, Modena, Italy; Section of Digestive Diseases, Yale School of Medicine, New Haven, CT, USA; Section of Digestive Diseases, VA Connecticut Healthcare System, West Haven, CT, USA.
3 Division of Cardiology, Azienda Ospedaliero-Universitaria di Modena and University of Modena and Reggio Emilia, Modena, Italy.
4 Division of Gastroenterology, Azienda Ospedaliero-Universitaria di Modena and University of Modena and Reggio Emilia, Modena, Italy. Electronic address: filippo.schepis@unimore.it.